alfafa

常见例句

• Technique of Improving the Winter Hardiness of Alfafa in Cold North of China
  提高北方寒区紫花苜蓿越冬率的综合技术措施
• Relationships Between Different Seeding Method and Growth of Alfafa in Alkaline Soil
  碱化土壤紫花苜蓿不同种植方法与生长关系的研究初探
• Study on Planting Techniques of Alfafa Harvest in North Frigid Area of Heilongjiang
  黑龙江北部寒区苜蓿丰产栽培技术研究
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